CN102790625A - Phase-arrayed device and method for calibrating the phase-arrayed device - Google Patents
Phase-arrayed device and method for calibrating the phase-arrayed device Download PDFInfo
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- CN102790625A CN102790625A CN2012101543400A CN201210154340A CN102790625A CN 102790625 A CN102790625 A CN 102790625A CN 2012101543400 A CN2012101543400 A CN 2012101543400A CN 201210154340 A CN201210154340 A CN 201210154340A CN 102790625 A CN102790625 A CN 102790625A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/267—Phased-array testing or checking devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
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Abstract
The invention provides a phase-arrayed device, including: a signal processing circuit arranged to generate a specific signal; a plurality of phase-arrayed channels comprising at least a first phase-arrayed channel arranged to provide a first phase-arrayed signal according to the specific signal; a first conducting path arranged to conduct the specific signal to the first phase-arrayed channel; a second conducting path arranged to conduct the first phase-arrayed signal to the signal processing circuit; and a detecting circuit, arranged to detect a mismatch between the first phase-arrayed signal and a reference signal to generate a detecting signal utilized for calibrating the first phase-arrayed signal. The phase-arrayed device can calibrate the mismatch between different channels of the phase-arrayed transceiver.
Description
Technical field
The present invention refers to have a phase array type transceiver and its correlation-corrected method of an embedded correcting circuit especially about a phase array type device and the method that is used for proofreading and correct this phase array type device.
Background technology
The phase array type transceiver can be widely used on the wireless telecommunication system.One phase array type transceiver can include a plurality of phase array type passages, and wherein each phase array type passage can include a conveyer and a receiver.For example; When this phase array type transceiver operations normal when receiving signal mode one; A plurality of receivers of this phase array type transceiver will improve the gain of the passage identical with the direction of its received signal, and reduce gain with the passage of the different directions of its received signal to reduce the interference phenomenon of signal.Yet,, and cause and suppress the interference capability reduction between each passage owing to the processing procedure skew causes the phenomenon that do not match between the different passages can reduce the channel gain of this phase array type transceiver with the phase place of each passage and the system drifting of amplitude.Therefore; Provide the correction mechanism of a lower cost to come the phase array type passage of phase array type transceiver is proofreaied and correct, become the problem of solution that the field is needed badly for this reason with the effect that reaches the composition that do not match between the different passages of proofreading and correct this phase array type transceiver.
Summary of the invention
The object of the present invention is to provide a phase array type transceiver and its correlation-corrected method, to address the above problem with an embedded correcting circuit.
According to the first embodiment of the present invention, it provides a kind of phase array type device.This phase array type device includes a signal processing circuit, a plurality of phased array passage, one first conducting path, one second conducting path and a circuit for detecting.This signal processing circuit is used for producing a signal specific.These a plurality of phased array passages comprise one first phase array type passage at least, and this first phase array type passage is used for producing one first phase array type signal according to this signal specific.This first conducting path is used for this signal specific is conducted to this first phase array type passage.This second conducting path is used for this first phase array type signal is conducted to this signal processing circuit.This circuit for detecting is used for detecting the composition that do not match between this first a phase array type signal and the reference signal to produce a detection signal, and this detection signal is used for proofreading and correct this first phase array type signal.
According to the second embodiment of the present invention, it provides a phase array type device.This phase array type device includes a signal processing circuit, a plurality of phase array type passage, a plurality of first order wire circuit, a plurality of second order wire circuit and a circuit for detecting.This signal processing circuit is used for producing a signal specific.Each phase array type passage in these a plurality of phase array type passages has a transfer circuit and a receiving circuit.These a plurality of first order wire circuits are used for this signal specific is conducted to a plurality of phase array type passages respectively, and wherein at least one the phase array type passage in these a plurality of phase array type passages produces a phase array type signal.These a plurality of second order wire circuits are respectively coupled to this a plurality of phase array type passages, and are used for this phase array type signal is conducted to this signal processing circuit.This circuit for detecting is used for detecting the composition that do not match between this a phase array type signal and the reference signal to produce a detection signal, and this detection signal is used for proofreading and correct at least one circuit in these a plurality of transfer circuits and this a plurality of receiving circuits.
According to the third embodiment of the present invention, it provides a kind of method that is used for proofreading and correct a phase array type device.This method includes: transmit the one first phase array type passage of a signal specific to a plurality of phase array type passages to produce one first phase array type signal; See through one first conducting path and receive this first phase array type signal; With one first phase place of this first phase array type signal and in one first amplitude at least one respectively with a predetermined phase and a predetermined amplitude at least one compare to produce a comparative result; And adjust this first phase array type passage so that at least one in this first phase place of this first phase array type signal and this first amplitude is same as at least one in this predetermined phase and this predetermined amplitude haply respectively according to this comparative result.
According to the fourth embodiment of the present invention, it provides a kind of method that is used for proofreading and correct a phase array type device.This method includes: see through one first phase array type passage that one first conducting path transmits a signal specific to a plurality of phase array type passages to produce one first phase array type signal; See through one second conducting path and receive this first phase array type signal; With one first phase place of this first phase array type signal and in one first amplitude at least one respectively with a predetermined phase and a predetermined amplitude at least one compare to produce a comparative result; And adjust this first phase array type passage so that at least one in this first phase place of this first phase array type signal and this first amplitude is same as at least one in this predetermined phase and this predetermined amplitude haply respectively according to this comparative result.
The phase array type transceiver of the embodiment of the invention and its correlation-corrected method; Through respectively the single phase array type passage of phase array type transceiver being proofreaied and correct, to have reached the effect of the composition that do not match between the different passages of proofreading and correct this phase array type transceiver.
Description of drawings
Fig. 1 is the sketch map of an embodiment of phase array type device of the present invention;
Fig. 2 is the sketch map of another embodiment of phase array type passage of the present invention;
Fig. 3 is the sketch map of an embodiment of a part of circuit in the phase array type device of the present invention shown in Figure 1;
Fig. 4 operates in the sketch map of an embodiment who transmits a part of circuit under the signal correction pattern for phase array type device of the present invention;
Fig. 5 is used for proofreading and correct the flow chart of first embodiment of the method for a phase array type device for the present invention;
Fig. 6 is used for proofreading and correct the flow chart of second embodiment of the method for a phase array type device for the present invention;
Fig. 7 is used for proofreading and correct the flow chart of the 3rd embodiment of the method for a phase array type device for the present invention;
Fig. 8 is used for proofreading and correct the flow chart of the 4th embodiment of the method for a phase array type device for the present invention.
Embodiment
Below numerous embodiments of the present invention is enumerated in narration.Below basic conception of the present invention is introduced in narration, and is not intention restriction content of the present invention.Actual invention scope should define according to the application's claim.
In the middle of specification, used some vocabulary to censure specific element.Those skilled in the art should understand, and hardware manufacturer may be called same element with different nouns.This specification is not used as distinguishing the mode of element with the difference of title, but the criterion that is used as distinguishing with the difference of element on function.Be an open term mentioned " comprising " in the middle of the specification in the whole text, so should be construed to " comprise but be not limited to ".In addition; " couple " speech and comprise any indirect means that are electrically connected that directly reach at this; Therefore; Be coupled to one second device if describe one first device in the literary composition, then represent this first device can directly be electrically connected in this second device, perhaps see through other devices or the intersegmental ground connection of connection hand and be electrically connected to this second device.
Please refer to Fig. 1, Fig. 1 is the sketch map of an embodiment 100 of phase array type device of the present invention.In this embodiment, phase array type device 100 is the phase array type transceiver of one 16 passages, but this is not as restriction of the present invention place.Phase array type device 100 includes a plurality of antenna 102a-102p, a plurality of phase array type passage (Phase-arrayed channel) 104a-104p, one first order wire circuit 106, one second order wire circuit 108 (it comprises 108a-108l), a circuit for detecting 110, a signal processing circuit 112 and an adjustment circuit 114.A plurality of phase array type path 10 4a-104p are respectively coupled to a plurality of antenna 102a-102p.Each passage among the phase array type path 10 4a-104p comprises a transfer circuit and a receiving circuit; Wherein this transfer circuit (for example this transfer circuit of phase array type path 10 4a) is used for transmitting the signal with a phase place; This phase place is corresponding with an antenna (for example antenna 102a); And this receiving circuit (for example this receiving circuit of phase array type path 10 4a) is used for receiving the signal with a phase place, and wherein this phase place is corresponding with an antenna (for example antenna 102a).
Circuit for detecting 110 is used for detecting the composition that do not match between this a phase array type signal Ssp and the reference signal Sr to produce a detection signal Sd, and wherein detection signal Sd is used for proofreading and correct at least one circuit in these transfer circuits and those receiving circuits.Adjustment circuit 114 is used for adjusting at least one passage among a plurality of phase array type path 10 4a-104p according to this detection signal Sd.
In this embodiment, first order wire circuit 106 includes five coupler 1062a-1062e in addition.Coupler 1062a is used for synthesizing the signal from conducting path 106a-106d, and exports this composite signal to conducting path 106q, or will conduct to conducting path 106a-106d from the signal of conducting path 106q.In like manner, coupler 1062b is used for transmitting the signal between conducting path 106e-106h and the conducting path 106r.Coupler 1062c is used for transmitting the signal between conducting path 106i-106l and the conducting path 106s.Coupler 1062d is used for transmitting the signal between conducting path 106m-106p and the conducting path 106t.In addition, coupler 1062e is used for transmitting the signal between conducting path 106q-106t and the conducting path 106u.Therefore; Conducting path 106q is the conducting path that part is shared among the guiding path 106a-106d; Conducting path 106r is the conducting path that part is shared among the conducting path 106e-106h; Conducting path 106s is the conducting path that part is shared among the conducting path 106i-106l, and conducting path 106t is the conducting path that part is shared among the conducting path 106m-106p.
Please refer to Fig. 2, Fig. 2 is the sketch map of another embodiment of phase array type passage of the present invention.This phase array type passage can be the embodiment of a phase array type passage among a plurality of phase array type path 10 4a-104p.For simplicity, the phase array type passage of present embodiment is an example with phase array type path 10 4a.Note that for the ease of describing the technical characterictic of present embodiment, comprised antenna 102a, phase array type path 10 4b, 104c, 104d, coupler 1062a, first order wire circuit 106 and signal processing circuit 112 among Fig. 2 in addition.Phase array type path 10 4a has comprised a switching circuit 200a, a phase deviation device 200b, a power amplifier 200c, a switching circuit 200d, a low noise amplifier (LNA) 200e and a phase deviation device 200f; Wherein switching circuit 200d can be conveyer/receiver switch (T/R switch); Phase deviation device 200b combines power amplifier 200c to can be considered a transfer circuit, and low noise amplifier 200e combines phase deviation device 200f to can be considered a receiving circuit.When phase array type path 10 4a operates in this transfer mode following time; Switching circuit 200a can be coupled to first order wire circuit 106 with phase deviation device 200b; And the binding between the phase deviation device 200f and first order wire circuit 106 broken off; And switching circuit 200d can be coupled to antenna 102a with power amplifier 200c, and the binding between low noise amplifier 200e and the antenna 102a is broken off.When phase array type path 10 4a operates in this receiving mode following time; Switching circuit 200a can break off the binding between the phase deviation device 200b and first order wire circuit 106; And phase deviation device 200f is coupled to and first order wire circuit 106; And switching circuit 200d can break off the binding between power amplifier 200c and the antenna 102a, and low noise amplifier 200e is coupled to antenna 102a.
The operation of phase array type device 100 please be simultaneously with reference to figure 2 and Fig. 3.Fig. 3 is the sketch map of an embodiment of a part of circuit 300 in the phase array type device of the present invention shown in Figure 1.The circuit of Fig. 3 includes antenna 102a, 102b, phase array type path 10 4a, 104b, first order wire circuit 106, second order wire circuit 108, circuit for detecting 110, signal processing circuit 112 and adjustment circuit 114.In this embodiment, for simplicity, Fig. 3 only illustrates the conducting path 106a of first order wire circuit 106 and the conducting path 108a of second order wire circuit 108.
As shown in Figure 3; When operating in one, phase array type device 100 receives signal correction pattern following time; Switching circuit 200d is used for the input endpoint N1 of low noise amplifier 200e of this receiving circuit and is coupled to the one first end points N2 of conducting path 108a; Switching circuit 1126 is used for an exit point N3 who transmits signal processing circuit 1122 is coupled to the one second end points N4 of conducting path 108a, and an input endpoint N5 that will receive signal processing circuit 1124 is coupled to the one first end points N6 of conducting path 106a.In addition, switching circuit 200a is used for the exit point N7 of the phase deviation device 200f of this receiving circuit is coupled to the one second end points N8 of conducting path 106a.
When this received the signal correction pattern, signal processing circuit 112 was used for producing signal specific Ss to conducting path 108a.Conducting path 108a is used for signal specific Ss is conducted to the input endpoint N1 of low noise amplifier 200e.Receiving circuit is used for producing phase array type signal Ssp according to signal specific Ss, and phase array type signal Ssp is output on the exit point N7 of phase deviation device 200f.Conducting path 106a is used for phase array type signal Ssp is conducted to signal processing circuit 112.Then, circuit for detecting 110 is used for detecting not matching between phase array type signal Ssp and the reference signal Sr and becomes to assign to produce detection signal Sd, and detection signal Sd is used for phase calibration array signal Ssp.Then; The low noise amplifier 200e that adjustment circuit 114 is used for adjusting this receiving circuit with and/or phase deviation device 200f so that phase array type signal Ssp have a phase place with and/or an amplitude; Wherein this phase place is same as the phase place of reference signal Sr haply, and this amplitude is same as the amplitude of reference signal Sr haply.
Therefore, the phase array type signal Ssp that the receiving circuit of each phase array type passage (being 104b-104p) produces just can be adjusted to such an extent that have a phase place that is same as reference signal Sr haply, with and/or have an amplitude that is same as reference signal Sr haply.Please note; Being used for signal specific Ss all is to equate haply from the length of each bar conducting path that transmits signal processing circuit 1122 and conduct to each receiving circuit of a plurality of phase array type path 10 4a-104p; And to be used for phase array type signal Ssp all be to equate haply from the length that each receiving circuit of a plurality of phase array type path 10 4a-104p conducts to each the bar conducting path that receives signal processing circuit 1124, as shown in Figure 1.
Please refer to 4 figure, Fig. 4 operates in the sketch map of an embodiment who transmits a part of circuit 400 under the signal correction pattern for phase array type device 100 of the present invention.When phase array type device 100 operates in this transmission signal correction pattern following time; Switching circuit 200d is used for the exit point N10 of the power amplifier 200c of this transfer circuit is coupled to the first end points N2 of conducting path 108a; Switching circuit 1126 is used for the exit point N3 that transmits signal processing circuit 1122 is coupled to the first end points N6 of conducting path 106, and the input endpoint N5 that will receive signal processing circuit 1124 is coupled to the second end points N4 of the first conducting path 108a.In addition, switching circuit 200a is used for the input endpoint N9 of the phase deviation device 200b of this transfer circuit is coupled to the second end points N8 of conducting path 106a.
When operating in this transmission signal correction pattern following time, signal processing circuit 112 is used for exporting signal specific Ss to conducting path 106a.Conducting path 106a is used for signal specific Ss is conducted to the input endpoint N9 of phase deviation device 200b.Transfer circuit system is used for producing phase array type signal Ssp according to signal specific Ss, and phase array type signal Ssp is output in the exit point N10 of power amplifier 200c.Conducting path 108a is used for phase array type signal Ssp is conducted to signal processing circuit 112.Then, circuit for detecting 110 is used for detecting the composition that do not match between phase array type signal Ssp and the reference signal Sr producing detection signal Sd, and detection signal Sd is used for phase calibration array signal Ssp.Then; The phase deviation device 200b that adjustment circuit 114 is used for adjusting this transfer circuit with and/or power amplifier 200c; So that phase array type signal Ssp have a phase place with and/or an amplitude; Wherein this phase place is same as the phase place of reference signal Sr haply, and this amplitude is same as the amplitude of reference signal Sr haply.
Therefore, the phase array type signal Ssp that the transfer circuit of each phase array type passage (being 104b-104p) produces just can be adjusted to such an extent that have a phase place that is same as reference signal Sr haply, with and/or have an amplitude that is same as reference signal Sr haply.Please note; Being used for signal specific Ss all is to equate haply from the length of each bar conducting path that transmits signal processing circuit 1122 and conduct to each transfer circuit of a plurality of phase array type path 10 4a-104p; And to be used for phase array type signal Ssp all be to equate haply from the length that each transfer circuit of a plurality of phase array type path 10 4a-104p conducts to each the bar conducting path that receives signal processing circuit 1124, as shown in Figure 1.
Note that above-mentioned reference signal Sr can be a prearranged signals that is produced by signal processing circuit 112.Therefore; If during the prearranged signals that reference signal Sr can be produced by signal processing circuit 112, a plurality of phase array type path 10 4a-104p will be corrected to its institute respectively phase array type signal and the reference signal Sr of generation phase place with and/or amplitude equate.
In addition, above-mentioned reference signal Sr can also be the phase array type signal that a phase array type passage among a plurality of phase array type path 10 4a-104p is produced.If reference signal Sr is the phase array type signal that a phase array type passage among a plurality of phase array type path 10 4a-104p is produced; Then receive signal correction pattern following time at this, signal processing circuit 112 can produce the receiving circuit of the phase array type passage of signal specific Ss to the phase array type path 10 4a-104p earlier.Then, can be received by signal processing circuit 112 by the phase array type signal Ssp that this phase array type passage produced.Therefore, signal processing circuit 112 can be regarded as reference signal Sr with the phase array type signal Ssp that this received.For example; Receive signal correction pattern following time at this; If being used for producing this phase array type passage of reference signal Sr is the first phase array type path 10 4a; Then switching circuit 200d can be used for the input endpoint N1 of the low noise amplifier 200e of this receiving circuit is coupled to the first end points N2 of conducting path 108a; Switching circuit 1126 can be used for an exit point N3 who transmits signal processing circuit 1122 is coupled to the second end points N4 of conducting path 108a, and the input endpoint N5 that will receive signal processing circuit 1124 is coupled to the first end points N6 of conducting path 106a.In addition, switching circuit 200a is used for the exit point N7 of the phase deviation device 200f of this receiving circuit is coupled to the second end points N8 of conducting path 106a.
In like manner; Transmit signal correction pattern following time at this; If being used for producing the phase array type passage of reference signal Sr is the first phase array type path 10 4a; Then switching circuit 200d can be used for the exit point N10 of the power amplifier 200c of this transfer circuit is coupled to the first end points N2 of conducting path 108a; And switching circuit 1126 is used for the exit point N3 that transmits signal processing circuit 1122 is coupled to the first end points N6 of conducting path 106, and the input endpoint N5 that will receive signal processing circuit 1124 is coupled to the second end points N4 of the first conducting path 108a.In addition, switching circuit 200a is used for the input endpoint N9 of this transfer circuit phase deviation device 200b is coupled to the second end points N8 of conducting path 106a.
Please note; The present invention is not limited to adjust the phase array type signal Ssp that a phase array type passage makes this phase array type passage produced and has the phase place that is same as reference signal Sr haply, with and/or the phase array type signal Ssp that makes this phase array type passage produced have the amplitude that is same as reference signal Sr haply.In another embodiment of the present invention; Signal processing circuit 112 can be used to make phase array type signal Ssp have the phase place that is same as reference signal Sr haply according to detection signal Sd adjustment signal specific Ss, with and/or make phase array type signal Ssp have the amplitude that is same as reference signal Sr haply.In other words, in the present embodiment, it can dispense the adjustment circuit 114 that is connected to a plurality of phase array type path 10 4a-104p.
Please note; The set-up mode of second order wire circuit 108 (being a plurality of conducting path 108a-108l) is to transmit signal (being signal specific Ss or phase array type signal Ssp) under signal correction pattern and this transmission signal correction pattern in order to receive at this; Therefore; When phase array type device 100 is in this normal receiving mode following time; Second order wire circuit 108 just can not be used for signal specific Ss is conducted to this a plurality of phase array type passages, with and/or second order wire circuit 108 just can not be used for phase array type signal Ssp is conducted to signal processing circuit 112.
Please refer to Fig. 5, Fig. 5 is used for proofreading and correct the flow chart of first embodiment 500 of the method for a phase array type device for the present invention.Method 500 can be used under a reception signal correction pattern, proofreading and correct above-mentioned phase array type device 100, and the therefore following all right while of narration about method 500 is with reference to Fig. 1 and Fig. 3.If can reach identical result substantially, the sequence of steps that does not need necessarily to shine in the flow process shown in Figure 5 is carried out, and step shown in Figure 5 not necessarily will carry out continuously, and promptly other steps can be inserted wherein equally.Method 500 includes:
Step 502: the reference signal Sr with a predetermined phase and a predetermined amplitude is provided;
Step 504: see through this receiving circuit that second order wire circuit 108 (for example conducting path 108l, 108k, 108i and 108a) transmits signal specific Ss to the first phase array type passage (for example 104a);
Step 506: produce phase array type signal Ssp according to signal specific Ss;
Step 508: see through first order wire circuit 106 (for example conducting path 106a, 106q and 106u) and come receiving phase array signal Ssp;
Step 510: in the phase place of phase array type signal Ssp and at least one and this predetermined phase and this predetermined amplitude in the amplitude at least one compared respectively to produce a comparative result Sc;
Step 512: adjust this receiving circuit (the for example gain of the receiving circuit of phase array type path 10 4a) of this phase array type passage so that this phase place of phase array type signal Ssp and in this amplitude at least one are same as at least one in this predetermined phase and this predetermined amplitude respectively haply according to comparative result Sc;
Step 514: judge whether each receiving circuit among a plurality of phase array type path 10 4a-104p was corrected; If not, then skip to step 516, if then skip to step 522;
Step 516: see through second order wire circuit 108 and transmit the receiving circuit of signal specific Ss to another phase array type passage;
Step 518: produce phase array type signal Ssp according to signal specific Ss;
Step 520: see through first order wire circuit 106 and come receiving phase array signal Ssp, and skip to step 510;
Step 522: finish this correction program.
In this embodiment, reference signal Sr is the predetermined reference signal with this predetermined phase and this predetermined amplitude.In step 510, circuit for detecting 110 can with this phase place of phase array type signal Ssp and in this amplitude at least one with this predetermined phase and this predetermined amplitude at least one compare respectively with generation comparative result Sc.Then, circuit for detecting 110 can produce detection signal Sd according to comparative result Sc.
In step 512, adjustment circuit 114 can be adjusted this receiving circuit of this phase array type passage so that this phase place of phase array type signal Ssp and in this amplitude at least one are same as at least one in this predetermined phase and this predetermined amplitude respectively haply according to detection signal Sd.In step 514, signal processing circuit 112 can judge whether each receiving circuit among a plurality of phase array type path 10 4a-104p was corrected, and makes the phase array type signal that it produced be same as reference signal Sr haply.If not, repeating step 510-520 then is until all phase array type signals all are same as (being step 522) till the reference signal Sr haply.
Please refer to Fig. 6, Fig. 6 is used for proofreading and correct the flow chart of second embodiment 600 of the method for a phase array type device for the present invention.Method 600 can be used under a transmission signal correction pattern, proofreading and correct above-mentioned phase array type device 100, and the therefore following same while of narration about method 600 is with reference to Fig. 1 and Fig. 4.If can reach identical result substantially, the sequence of steps that does not need necessarily to shine in the flow process shown in Figure 6 is carried out, and step shown in Figure 6 not necessarily will carry out continuously, and promptly other steps also can be inserted wherein.Method 600 includes:
Step 602: the reference signal Sr with a predetermined phase and a predetermined amplitude is provided;
Step 604: see through this transfer circuit that first order wire circuit 106 (for example conducting path 106u, 106q and 106a) transmits signal specific Ss to the first phase array type passage (for example 104a);
Step 606: produce phase array type signal Ssp according to signal specific Ss;
Step 608: see through second order wire circuit 108 (for example conducting path 108a, 108i, 108k and 108l) and come receiving phase array signal Ssp;
Step 610: in the phase place of phase array type signal Ssp and at least one and this predetermined phase and this predetermined amplitude in the amplitude at least one compared respectively to produce a comparative result Sc;
Step 612: adjust this transfer circuit (the for example gain of the transfer circuit of phase array type path 10 4a) of this phase array type passage so that this phase place of phase array type signal Ssp and in this amplitude at least one are same as at least one in this predetermined phase and this predetermined amplitude respectively haply according to comparative result Sc;
Step 614: judge whether each transfer circuit among a plurality of phase array type path 10 4a-104p was corrected; If not, then skip to step 616, if then skip to step 622;
Step 616: see through first order wire circuit 106 and transmit the transfer circuit of signal specific Ss to another phase array type passage;
Step 618: produce phase array type signal Ssp according to signal specific Ss, and skip to step 608;
Step 620: finish this correction program.
In this embodiment, reference signal Sr is the predetermined reference signal with this predetermined phase and this predetermined amplitude.In step 610, circuit for detecting 110 can with this phase place of phase array type signal Ssp and in this amplitude at least one with this predetermined phase and this predetermined amplitude at least one compare respectively with generation comparative result Sc.Then, circuit for detecting 110 can produce detection signal Sd according to comparative result Sc.
In step 612, adjustment circuit 114 can be adjusted this transfer circuit of this phase array type passage so that this phase place of phase array type signal Ssp and in this amplitude at least one are same as at least one in this predetermined phase and this predetermined amplitude respectively haply according to detection signal Sd.In step 614, signal processing circuit 112 can judge whether each transfer circuit among a plurality of phase array type path 10 4a-104p was corrected, and makes the phase array type signal that it produced be same as reference signal Sr haply.If not, repeating step 608-518 then is until all phase array type signals all are same as (being step 620) till the reference signal Sr haply.
Please refer to Fig. 7, Fig. 7 is used for proofreading and correct the flow chart of the 3rd embodiment 700 of the method for a phase array type device for the present invention.Method 700 can be used under a reception signal correction pattern, proofreading and correct above-mentioned phase array type device 100, and the therefore following same while of narration about method 700 is with reference to Fig. 1 and Fig. 3.If can reach identical result substantially, the sequence of steps that does not need necessarily to shine in the flow process shown in Figure 7 is carried out, and step shown in Figure 7 not necessarily will carry out continuously, and promptly other steps also can be inserted wherein.Method 700 includes:
Step 702: see through this receiving circuit that second order wire circuit 108 (for example conducting path 108l, 108k, 108i and 108a) transmits signal specific Ss to phase array type passage (for example 104a);
Step 704: produce phase array type signal Ssp according to signal specific Ss;
Step 706: see through first order wire circuit 106 (for example conducting path 106a, 106q and 106u) and come receiving phase array signal Ssp;
Step 708: write down the phase place of phase array type signal Ssp and at least one in the amplitude, and it is regarded as at least one in this predetermined phase and this predetermined amplitude respectively;
Step 710: see through second order wire circuit 108 (for example conducting path 108l, 108k, 108i and 108a) and transmit the receiving circuit of signal specific Ss to another phase array type passage (for example 104b);
Step 712: produce phase array type signal Ssp according to signal specific Ss;
Step 714: see through first order wire circuit 106 (for example conducting path 106b, 106q and 106u) and come receiving phase array signal Ssp;
Step 716: in the phase place of phase array type signal Ssp and at least one and this predetermined phase and this predetermined amplitude in the amplitude at least one compared respectively to produce a comparative result Sc;
Step 718: adjust this receiving circuit (the for example gain of the receiving circuit of phase array type path 10 4a) of this phase array type passage according to comparative result Sc, so that this phase place of phase array type signal Ssp and in this amplitude at least one are same as at least one in this predetermined phase and this predetermined amplitude respectively haply;
Step 720: judge whether each receiving circuit except used this phase array type passage of step 702 was corrected in these a plurality of phase array type passages; If not, then skip to step 710, if then skip to step 722;
Step 722: finish this correction program.
In this embodiment, reference signal Sr can be set at phase array type signal Ssp received in step 708.In step 716, circuit for detecting 110 can with this phase place of phase array type signal Ssp and in this amplitude at least one with this predetermined phase and this predetermined amplitude at least one compare respectively with generation comparative result Sc.Then, circuit for detecting 110 can produce detection signal Sd according to comparative result Sc.
In step 718, adjustment circuit 114 can be adjusted this receiving circuit of this phase array type passage so that this phase place of phase array type signal Ssp and in this amplitude at least one are same as at least one in this predetermined phase and this predetermined amplitude respectively haply according to detection signal Sd.In step 720; Signal processing circuit 112 can judge whether each receiving circuit except used this phase array type passage of step 702 was corrected in these a plurality of phase array type passages, and makes the phase array type signal that it produced be same as the received phase array type signal Ssp of step 706 haply.If not, repeating step 710-720 then is until all phase array type signals all are same as (being step 722) till the reference signal Sr haply.
Please refer to Fig. 8, Fig. 8 is used for proofreading and correct the flow chart of the 4th embodiment 800 of the method for a phase array type device for the present invention.Method 800 can be used for transmitting in one proofreaies and correct above-mentioned phase array type device 100 under the signal correction pattern, therefore below about the narration of method 800 also simultaneously with reference to Fig. 1 and Fig. 4.If can reach identical result substantially, the sequence of steps that does not need necessarily to shine in the flow process shown in Figure 8 is carried out, and step shown in Figure 8 not necessarily will carry out continuously, and promptly other steps also can be inserted wherein.Method 800 includes:
Step 802: see through this transfer circuit that first order wire circuit 106 (for example conducting path 106u, 106q and 106a) transmits signal specific Ss to phase array type passage (for example 104a);
Step 804: produce phase array type signal Ssp according to signal specific Ss;
Step 806: see through second order wire circuit 108 (for example conducting path 108a, 108i, 108k and 108l) and come receiving phase array signal Ssp;
Step 808: write down the phase place of phase array type signal Ssp and at least one in the amplitude, and it is regarded as at least one in this predetermined phase and this predetermined amplitude respectively;
Step 810: see through first order wire circuit 106 (for example conducting path 106u, 106q and 106b) and transmit the transfer circuit of signal specific Ss to another phase array type passage (for example 104b);
Step 812: produce phase array type signal Ssp according to signal specific Ss;
Step 814: see through second order wire circuit 108 (for example conducting path 108a, 108i, 108k and 108l) and come receiving phase array signal Ssp;
Step 816: in the phase place of phase array type signal Ssp and at least one and this predetermined phase and this predetermined amplitude in the amplitude at least one compared respectively to produce a comparative result Sc;
Step 818: adjust this transfer circuit (the for example gain of the transfer circuit of phase array type path 10 4b) of this phase array type passage according to comparative result Sc, so that this phase place of phase array type signal Ssp and in this amplitude at least one are same as at least one in this predetermined phase and this predetermined amplitude respectively haply;
Step 820: judge whether each receiving circuit except used this phase array type passage of step 802 was corrected in these a plurality of phase array type passages; If not, then skip to step 810, if then skip to step 822;
Step 822: finish this correction program.
In this embodiment, reference signal Sr can be set at phase array type signal Ssp received in step 808.In step 816, circuit for detecting 110 can with this phase place of phase array type signal Ssp and in this amplitude at least one with this predetermined phase and this predetermined amplitude at least one compare respectively with generation comparative result Sc.Then, circuit for detecting 110 can produce detection signal Sd according to comparative result Sc.
In step 818, adjustment circuit 114 can be adjusted this transfer circuit of this phase array type passage so that this phase place of phase array type signal Ssp and in this amplitude at least one are same as at least one in this predetermined phase and this predetermined amplitude respectively haply according to detection signal Sd.In step 820; Signal processing circuit 112 can judge whether each transfer circuit except used this phase array type passage of step 802 was corrected in these a plurality of phase array type passages, and makes the phase array type signal that it produced be same as the received phase array type signal Ssp of step 806 haply.If not, repeating step 810-820 then is until all phase array type signals all are same as (being step 822) till the reference signal Sr haply.
In sum; Embodiments of the invention can provide one group of feedback path (Look-back Loop); Be the second above-mentioned order wire circuit); Give this phase array type device to transmit this signal specific or this phase array type signal, wherein this signal specific or this phase array type signal are used for detecting and compensating the composition that do not match between a plurality of phase array type passages.Owing to build (promptly embedded) in this phase array type device in the correcting circuit that in above-mentioned explanation, is provided, therefore correcting circuit of the present invention can't increase the area of this phase array type device.
Though the present invention discloses as above with specific embodiment; Right its has been merely and has been easy to explain technology contents of the present invention; And be not with narrow sense of the present invention be defined in this embodiment, any those skilled in the art are not breaking away from the spirit and scope of the present invention; When can doing a little change and retouching, so protection scope of the present invention is as the criterion as the claim person of defining that look the application.
Claims (16)
1. a phase array type device is characterized in that, includes:
One signal processing circuit is used for producing a signal specific;
A plurality of phased array passages comprise one first phase array type passage in these a plurality of phased array passages at least, are used for producing one first phase array type signal according to this signal specific;
One first conducting path is used for this signal specific is conducted to this first phase array type passage;
One second conducting path is used for this first phase array type signal is conducted to this signal processing circuit; And
One circuit for detecting is used for detecting the composition that do not match between this first a phase array type signal and the reference signal to produce a detection signal, and this detection signal is used for proofreading and correct this first phase array type signal.
2. phase array type device as claimed in claim 1 is characterized in that, this signal processing circuit also is used for producing a prearranged signals with as this reference signal.
3. phase array type device as claimed in claim 1 is characterized in that:
At least comprise one second phase array type passage in these a plurality of phased array passages, be used for producing one second phase array type signal according to this signal specific;
This phase array type device also includes:
One the 3rd conducting path is used for this signal specific is conducted to this second phase array type admittance; And
One the 4th conducting path is used for this second phase array type signal is conducted to this signal processing circuit with as this reference signal.
4. phase array type device as claimed in claim 3 is characterized in that, the conducting path of this first conducting path and the shared part of the 3rd conducting path, and the conducting path of this second conducting path and the shared part of the 4th conducting path.
5. phase array type device as claimed in claim 3 is characterized in that, this first conducting path and the 3rd conducting path are isometric, and this second conducting path and the 4th conducting path are isometric.
6. phase array type device as claimed in claim 1, wherein this first phase array type passage comprises:
One transfer circuit;
One receiving circuit; And
One first switching circuit is used for optionally this transfer circuit or this receiving circuit being coupled to this first conducting path; And
This signal processing circuit comprises:
One transmits signal processing circuit, is used to produce this signal specific to this transfer circuit;
One receives signal processing circuit, is used to produce this signal specific to this receiving circuit; And
One second switch circuit is used for optionally should transmitting signal processing circuit and is coupled to this first conducting path or this second conducting path, and optionally should receive signal processing circuit and be coupled to this first conducting path or this second conducting path.
7. phase array type device as claimed in claim 6 is characterized in that other includes:
One adjustment circuit is used for adjusting this receiving circuit according to this detection signal;
Wherein when this phase array type device operates in a reception signal correction pattern; This first switching circuit is used for an input endpoint of this receiving circuit is coupled to one first end points of this first conducting path; This second switch circuit is used for the input endpoint that an exit point of this transmission signal processing circuit is coupled to one second end points of this first conducting path and will receives signal processing circuit and is coupled to this second conducting path; And this adjustment circuit is used for adjusting this receiving circuit so that this first phase array type signal has a phase place or an amplitude; Wherein this phase place is same as the phase place of this reference signal haply, and this amplitude system is same as the amplitude of this reference signal haply.
8. phase array type device as claimed in claim 6 is characterized in that other includes:
One adjustment circuit is used for adjusting this transfer circuit according to this detection signal;
Wherein when this phase array type device operates in a transmission signal correction pattern; This first switching circuit is used for an exit point of this transfer circuit is coupled to one first end points of this first conducting path; This second switch circuit is used for a input endpoint that a exit point with this transmission signal processing circuit is coupled to one first end points of this second conducting path and will receives signal processing circuit and is coupled to one second end points of this first conducting path; And this adjustment circuit is used for adjusting this transfer circuit so that this first phase array type signal has a phase place or an amplitude; Wherein this phase place is same as the phase place of this reference signal haply, and this amplitude is same as the amplitude of this reference signal haply.
9. phase array type device as claimed in claim 1 is characterized in that other includes:
One adjustment circuit is used for adjusting this first phase array type passage according to this detection signal;
Wherein work as this adjustment circuit and adjust this first phase array type passage according to this detection signal so that this first phase array type signal has a phase place or an amplitude; Wherein this phase place is same as the phase place of this reference signal haply, and this amplitude is same as the amplitude of this reference signal haply.
10. phase array type device as claimed in claim 1; It is characterized in that; This signal processing circuit is used for adjusting this signal specific according to this detection signal in addition; And this signal processing circuit is used for adjusting this signal specific so that this first phase array type signal has a phase place or an amplitude, and wherein this phase place is same as the phase place of this reference signal haply, and this amplitude is same as the amplitude of this reference signal haply.
11. phase array type device as claimed in claim 1 is characterized in that:
When this phase array type device operated in a normal transfer mode, this second conducting path can not be used for this first phase array type signal is conducted to this signal processing circuit;
And when this phase array type device operated in a normal receiving mode, this first conducting path can not be used for this signal specific is conducted to this first phase array type passage.
12. a phase array type device is characterized in that, includes:
One signal processing circuit is used for producing a signal specific;
A plurality of phase array type passages, each phase array type passage has a transfer circuit and a receiving circuit;
A plurality of first order wire circuits are used for this signal specific is conducted to a plurality of phase array type passages respectively, and wherein at least one the phase array type passage in these a plurality of phase array type passages can produce a phase array type signal;
A plurality of second order wire circuits are respectively coupled to this a plurality of phase array type passages, and are used for respectively this phase array type signal being conducted to this signal processing circuit; And
One circuit for detecting is used for detecting the composition that do not match between this a phase array type signal and the reference signal to produce a detection signal, and this detection signal is used for proofreading and correct at least one circuit in these a plurality of transfer circuits and this a plurality of receiving circuits.
13. a method that is used for proofreading and correct a phase array type device is characterized in that, includes:
See through one first conducting path and transmit one first phase array type passage in a signal specific to a plurality of phase array type passages to produce one first phase array type signal;
See through one second conducting path and receive this first phase array type signal;
With first phase place of this first phase array type signal and in first amplitude at least one respectively with corresponding at least one compares to produce a comparative result with it in a predetermined phase and the predetermined amplitude; And
Adjust this first phase array type passage so that at least one in this first phase place of this first phase array type signal and this first amplitude is same as at least one corresponding with it in this predetermined phase and this predetermined amplitude haply respectively according to this comparative result.
14. method as claimed in claim 13 is characterized in that, other includes:
See through one the 3rd conducting path and transmit one second phase array type admittance in this signal specific to these a plurality of phase array type passages to produce one second phase array type signal;
See through one the 4th conducting path and receive this second phase array type signal; And
Write down one second phase place of this second phase array type signal and in one second amplitude at least one with respectively as at least one corresponding in this predetermined phase and this predetermined amplitude with it;
Wherein this first phase array type passage is different from this second phase array type admittance.
15. method as claimed in claim 13; It is characterized in that; This first phase array type passage includes a transfer circuit; This transfer circuit receives this signal specific producing this first phase array type signal, and when this transfer circuit operated in a normal transfer mode, this second conducting path can not be used for conducting this first phase array type signal that this transfer circuit produces.
16. method as claimed in claim 13; It is characterized in that; This first phase array type passage includes a receiving circuit; This receiving circuit receives this signal specific producing this first phase array type signal, and when this receiving circuit operated in a normal receiving mode, this first conducting path can not be used for conducting this signal specific to this first phase array type passage.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
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| US201161487347P | 2011-05-18 | 2011-05-18 | |
| US201161487346P | 2011-05-18 | 2011-05-18 | |
| US61/487,347 | 2011-05-18 | ||
| US61/487,346 | 2011-05-18 | ||
| US13/473,567 | 2012-05-16 | ||
| US13/473,567 US8970427B2 (en) | 2011-05-18 | 2012-05-16 | Phase-arrayed device and method for calibrating the phase-arrayed device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102790625A true CN102790625A (en) | 2012-11-21 |
| CN102790625B CN102790625B (en) | 2015-08-05 |
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| CN201210154340.0A Expired - Fee Related CN102790625B (en) | 2011-05-18 | 2012-05-17 | The method of phase array type device and phase calibration array device |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8970427B2 (en) |
| CN (1) | CN102790625B (en) |
| TW (1) | TW201249120A (en) |
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Also Published As
| Publication number | Publication date |
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| US20120293362A1 (en) | 2012-11-22 |
| CN102790625B (en) | 2015-08-05 |
| US8970427B2 (en) | 2015-03-03 |
| TW201249120A (en) | 2012-12-01 |
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